sorry yes i meant 0.7 On Mon, Jan 14, 2013 at 12:58 PM, Jake Mannix <[email protected]> wrote:
> I think you mean 0.7, right? Can you see if you get the same behavior in > svn trunk? > > > On Mon, Jan 14, 2013 at 9:21 AM, Koert Kuipers <[email protected]> wrote: > > > i am using version mahout 7.0 > > > > On Mon, Jan 14, 2013 at 10:15 AM, Ted Dunning <[email protected]> > > wrote: > > > > > Which version are you using? > > > > > > (this misbehavior sounds familiar) > > > > > > iterator() should return all values. > > > > > > iterateNonZero() is allowed to skip zeros. > > > > > > On Mon, Jan 14, 2013 at 6:11 AM, Koert Kuipers <[email protected]> > > wrote: > > > > > > > i am looking at the iterators for DenseVector, > > RandomAcccessSparseVector > > > > and SequentialAccessSparseVector. > > > > > > > > for both DenseVector and RandomAcccessSparseVector the iterator seems > > to > > > > return all values, including the missing zero values. > > > > for SequentialAccessSparseVector the iterator also returns all > values, > > > but > > > > only up to the last non-missing value! > > > > > > > > is this by design? what is a vector iterator supposed to return > > exactly? > > > i > > > > can't see a logical pattern/consistency. see examples below. > > > > thanks! koert > > > > > > > > scala> val x = new org.apache.mahout.math.RandomAccessSparseVector(5) > > > > x: org.apache.mahout.math.RandomAccessSparseVector = {} > > > > > > > > scala> x.set(3, 1.0) > > > > > > > > scala> for (item <- x.iterator.asScala) println((item.index, > item.get)) > > > > (0,0.0) > > > > (1,0.0) > > > > (2,0.0) > > > > (3,1.0) > > > > (4,0.0) > > > > > > > > scala> val y = new > > org.apache.mahout.math.SequentialAccessSparseVector(5) > > > > y: org.apache.mahout.math.SequentialAccessSparseVector = { > > > > > > > > scala> y.set(3, 1.0) > > > > > > > > scala> for (item <- y.iterator.asScala) println((item.index, > item.get)) > > > > (0,0.0) > > > > (1,0.0) > > > > (2,0.0) > > > > (3,1.0) > > > > > > > > > > > > > -- > > -jake >
